17.
THERMISTOR REPLACEMENT
1.
Disconnect main power at fused disconnect switch.
2.
Remove bottom cover.
3.
Locate thermistor.
4.
Cut pigtail connection off.
5.
Remove wire from ground lug.
6.
Remove thermistor from tube.
7.
Add new “eye” connector to one of the thermistor
leads and fasten to ground lug.
8.
Connect orange wire to the other thermistor lead and
fasten with pigtail connector.
9.
Insert thermistor as far as possible into tube and
hold in place. While holding add silicon to secure
thermistor into tube. Insure silicon completely
surrounds tube and thermistor.
10.
Replace covers, reconnect power and test operation.
REPAIRING LEAKS IN STEAM
JACKETED KETTLE FITTINGS
If unit will not hold a vacuum the most likely cause is a leak
at one of the fittings. Often, the easiest way to eliminate a
leak is reseal the suspect areas.
1.
Water Level Probe
Remove, clean threads, apply
teflon thread sealant and reinstall.
2.
Pressure Relief Valve
A
/ Inspect for signs of leaks.
Replace if required.
B
/ Remove, clean threads, apply
teflon thread sealant and reinstall.
3.
Pressure Gauge
A
/ Inspect face of gauge. If it
contains moisture on the inside of
face replace.
B
/ Remove, clean threads, apply
teflon thread sealant and reinstall
.
Pressure
Relief Valve
Pressure Gauge
Water Level Probe